APA (7th ed.) Citation

Sotheby's (Firm). (1975). Fine nineteenth century and modern prints ... April 1975. Sotheby.

Chicago Style (17th ed.) Citation

Sotheby's (Firm). Fine Nineteenth Century and Modern Prints ... April 1975. London: Sotheby, 1975.

MLA (9th ed.) Citation

Sotheby's (Firm). Fine Nineteenth Century and Modern Prints ... April 1975. Sotheby, 1975.

Warning: These citations may not always be 100% accurate.